object_name = $name; //设置成员变量值 } function getObjectName(){ //声明方法getObjectName() return $this -> object_name; } } $c_book = new MyObject(); //实例化对象 $c_book -> setObjectName("PHP类"); //调用方法setObjectName echo MyObject::BOOK_TYPE." -> "; //输出常量BOOK_TYPE echo $c_book -> getObjectName(); //调用方法getObjectName ?>